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- Title
Impact of Energy and Protein Delivery to Critically Ill Patients: A Systematic Review and Meta-Analysis of Randomized Controlled Trials.
- Authors
Nakanishi, Nobuto; Matsushima, Shinya; Tatsuno, Junko; Liu, Keibun; Tamura, Takahiko; Yonekura, Hiroshi; Yamamoto, Norimasa; Unoki, Takeshi; Kondo, Yutaka; Nakamura, Kensuke
- Abstract
Optimal energy and protein delivery goals for critically ill patients remain unknown. The purpose of this systematic review and meta-analysis was to compare the impact of energy and protein delivery during the first 4 to 10 days of an ICU stay on physical impairments. We performed a systematic literature search of MEDLINE, CENTRAL, and ICHUSHI to identify randomized controlled trials (RCTs) that compared energy delivery at a cut-off of 20 kcal/kg/day or 70% of estimated energy expenditure or protein delivery at 1 g/kg/day achieved within 4 to 10 days after admission to the ICU. The primary outcome was activities of daily living (ADL). Secondary outcomes were physical functions, changes in muscle mass, quality of life, mortality, length of hospital stay, and adverse events. Fifteen RCTs on energy delivery and 14 on protein were included in the analysis. No significant differences were observed in any of the outcomes included for energy delivery. However, regarding protein delivery, there was a slight improvement in ADL (odds ratio 21.55, 95% confidence interval (CI) −1.30 to 44.40, p = 0.06) and significantly attenuated muscle loss (mean difference 0.47, 95% CI 0.24 to 0.71, p < 0.0001). Limited numbers of RCTs were available to analyze the effects of physical impairments. In contrast to energy delivery, protein delivery ≥1 g/kg/day achieved within 4 to 10 days after admission to the ICU significantly attenuated muscle loss and slightly improved ADL in critically ill patients. Further RCTs are needed to investigate their effects on physical impairments.
- Subjects
INTENSIVE care units; LENGTH of stay in hospitals; META-analysis; CONFIDENCE intervals; SYSTEMATIC reviews; NUTRITIONAL requirements; ACTIVITIES of daily living; CATASTROPHIC illness; DIET therapy; TREATMENT effectiveness; CRITICAL care medicine; QUALITY of life; MEDLINE; ODDS ratio; DIETARY proteins; GOAL (Psychology)
- Publication
Nutrients, 2022, Vol 14, Issue 22, p4849
- ISSN
2072-6643
- Publication type
Article
- DOI
10.3390/nu14224849